DataVXAdvanced Functional MaterialsPaper
journal article·2024-05

Polyamide Nanofilms through a Non‐Isothermal‐Controlled Interfacial Polymerization

Guang‐Jin Zhao, Lu‐Lu Li, Hai‐Qi Gao, Zhi‐Jian Zhao, Zi‐Fan Pang, Chun‐Lei Pei, Zhou Qu, Liang‐Liang Dong, De‐Wei Rao, Jürgen Caro, Hong Meng

Advanced Functional Materials· Volume 34· Issue 18
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Source abstract

Abstract

Abstract Efficient thin film composite polyamide (PA) membranes require optimization of interfacial polymerization (IP) process. However, it is challengeable owing to its ultrafast reaction rate coupled with mass and heat transfer, yielding heterogeneous PA membranes with low performance. Herein, a non‐isothermal‐controlled IP (NIIP) method is proposed to fabricate a highly permeable and selective PA membrane by engineering IP at the cryogenic aqueous phase (CAP) to achieve synchronous control of heat and mass transfer in the interfacial region. The CAP also enables the phase transition of the aqueous solution from the liquid to solid state, providing a more comprehensive understanding of the fundamental mechanisms involved in different phase states in the IP process. Consequently, the PA membrane exhibits excellent separation performance with ultrahigh water permeance (42.9 L m−2 h−1 bar−1) and antibiotic desalination efficiency (antibiotic/NaCl selectivity of 159.3). This study provides new insights for the in‐depth understanding of the precise mechanism linking IP to the performance of the targeting membrane.
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Research context

PolymersNanomaterialsComposites

OpenAlex topics: Membrane Separation Technologies · Membrane Separation and Gas Transport · Membrane-based Ion Separation Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Chemical Engineering Beijing University of Chemical Technology Beijing 100029 P. R. China

School of Chemical Engineering and Technology Key Laboratory for Green Chemical Technology of Ministry of Education, Tianjin University Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Tianjin 300072 P. R. China

State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources Institution College of Chemistry Xinjiang University Xinjiang Urumqi 830017 P. R. China

Key Laboratory of Synthetic and Biological Colloids Ministry of Education School of Chemical and Material Engineering Jiangnan University Wuxi 214122 P. R. China

School of Materials Science and Engineering Jiangsu University Zhenjiang 212013 P. R. China

Institute of Physical Chemistry and Electrochemistry Leibniz Universität Hannover Callinstraße 3A 30167 Hannover Germany

Funding

National Natural Science Foundation of China · National Key Research and Development Program of China · Fundamental Research Funds for the Central Universities

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